Home / 74,465.85-102,763.44-40,474.35

Finding the Fourth Proportional to 74,465.85, 102,763.44 and 40,474.35

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Solution

The fourth proportional to 74,465.85, 102,763.44 and 40,474.35 is: 55,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,465.85 : 102,763.44 = 40,474.35 : x
  2. Step 2: Convert to fraction form
    74,465.85/102,763.44 = 40,474.35/x
  3. Step 3: Cross multiply
    74,465.85x = 102,763.44 × 40,474.35
  4. Step 4: Simplify right side
    74,465.85x = 4,159,283,437.76
  5. Step 5: Solve for x
    x = 4,159,283,437.76/74,465.85
  6. Step 6: Final answer
    x = 55,854.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.